N 9th St Air Quality

Monitoring Station · Center City, United States
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
26 3am
28
21
21 6am
14
14
14 9am
21
21
14 12pm
14
14
14 3pm
14
14
— 6pm
—
—
— 9pm
—
—
— 12am
—
—
Station readings
26
28
CAMS model adj -13
34
34
34
34
27
27
27
34
34
27
27
27
27
27
27

Air Quality Forecast (24h)

PM2.56.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

28
1401 John F Kennedy Blvd
0.9 km PM2.5: 6.7 µg/m³
28
807 Lombard St
1.1 km PM2.5: 6.7 µg/m³
24
315 N 18th St
1.4 km PM2.5: 5.7 µg/m³
26
1358 Ridge Ave, Philadelphia, PA 19123
1.4 km PM2.5: 6.2 µg/m³
28
1901 Walnut St
1.6 km PM2.5: 6.7 µg/m³
30
2100 Pine St
2.0 km PM2.5: 7.2 µg/m³
35
Annin Street, Philadlephia
2.1 km PM2.5: 8.4 µg/m³
32
S Christopher Columbus Blvd
2.1 km PM2.5: 7.8 µg/m³

Nearby Cities

51 Center City 51 Philadelphia 52 Rittenhouse 45 Fishtown 49 Pennsport 51 Wharton 52 Point Breeze 50 University City 46 Hartranft

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T06:37 UTC.